GROMMETS AND WASHERS

Stimpson ®

Grommets & Washers for lining, protecting and reinforcing or venting holes in fabrics, metal or wood. The grommet and matching washer provide a full flange on both sides.

Please contact our Sales Specialists for information about Automatic Attaching Machine inquiries.

Stimpson Sheet Metal Grommets with Plain Washers Material Brass or Aluminum
Grommet Number	OO	O	1	1J	2	2J	3	4	5	6
Hole Size	3/16"	1/4"	9/32"	9/32"	3/8"	3/8"	7/16"	1/2"	5/8"	13/16"
Flange Diameter	.425" or 10.80 mm	.545" or 13.84 mm	.687" or 17.45 mm	.680" or 17.27 mm	.815" or 20.70 mm	.840" or 21.34 mm	.970" or 24.64 mm	1.05" or 26.67 mm	1.22" or 30.99 mm	1.75" or 44.45 mm
Length Under Flange	.135 " or 3.43 mm	.175" or 4.45 mm	.185" or 4.70 mm	.263" or 6.68 mm	.215" or 5.46 mm	.260" or 6.60 mm	.295" or 7.49 mm	.374" or 9.50 mm	.330" or 8.38 mm	.232" or 5.89 mm
Metal Thickness	.009" or .23 mm	.012" or .30 mm	.012" or .30 mm	.013" or .33 mm	.013" or .33 mm	.016" or .41 mm	.014" or .36 mm	.016" or .41 mm	.016" or .41 mm	.020" or .51 mm
Corresponding Washer Number *	C82	C83	C84	C84	C85	C85	C86	C87	C88	C288
Inside Diameter	.218" or 5.54 mm	.289" or 7.34 mm	.359" or 9.12 mm	.359" or 9.12 mm	.453" or 11.51 mm	.453" or 11.51 mm	.530" or 13.46 mm	.585" or 14.86 mm	.740" or 18.80 mm	.875" or 22.23 mm
Outside Diameter	.460" or 11.68 mm	.546" or 13.87 mm	.700" or 17.78 mm	.700" or 17.78 mm	.835" or 21.21 mm	.835" or 21.21 mm	.955" or 24.26 mm	1.062" or 26.97 mm	1.205" or 30.61 mm	1.828" or 46.43 mm
Metal Thickness	.009" or .23 mm	.010" or .25 mm	.012" or .30 mm	.012" or .30 mm	.012" or .30 mm	.012" or .30 mm	.013" or .33 mm	.013" or .33 mm	.0135" or .349 mm	.020" or .51 mm

* Neck and Tooth washers in brass material are available in some sizes and finishes. Ideal for use in automatic attaching machines